The Motley Fool·Mar 2·Scott LevinePlug Power Stock Surges on Q4 Beat, but Profitability Skepticism RemainsPlug Power surged 8.9% after-hours on Q4 beat: $225.2M revenue, -$0.06 EPS versus -$0.29 prior year. Analysts urge patience on profitability. PLUGclean energyearnings beat